21246300

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 180

約数和(自身を含む): 71629096

約数和(自身を除く): 50382796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 43, 45, 50, 54, 60, 61, 75, 81, 86, 90, 100, 108, 122, 129, 135, 150, 162, 172, 180, 183, 215, 225, 244, 258, 270, 300, 305, 324, 366, 387, 405, 430, 450, 516, 540, 549, 610, 645, 675, 732, 774, 810, 860, 900, 915, 1075, 1098, 1161, 1220, 1290, 1350, 1525, 1548, 1620, 1647, 1830, 1935, 2025, 2150, 2196, 2322, 2580, 2623, 2700, 2745, 3050, 3225, 3294, 3483, 3660, 3870, 4050, 4300, 4575, 4644, 4941, 5246, 5490, 5805, 6100, 6450, 6588, 6966, 7740, 7869, 8100, 8235, 9150, 9675, 9882, 10492, 10980, 11610, 12900, 13115, 13725, 13932, 15738, 16470, 17415, 18300, 19350, 19764, 23220, 23607, 24705, 26230, 27450, 29025, 31476, 32940, 34830, 38700, 39345, 41175, 47214, 49410, 52460, 54900, 58050, 65575, 69660, 70821, 78690, 82350, 87075, 94428, 98820, 116100, 118035, 123525, 131150, 141642, 157380, 164700, 174150, 196725, 212463, 236070, 247050, 262300, 283284, 348300, 354105, 393450, 424926, 472140, 494100, 590175, 708210, 786900, 849852, 1062315, 1180350, 1416420, 1770525, 2124630, 2360700, 3541050, 4249260, 5311575, 7082100, 10623150, 21246300]

約数ペア:

[(1, 21246300), (2, 10623150), (3, 7082100), (4, 5311575), (5, 4249260), (6, 3541050), (9, 2360700), (10, 2124630), (12, 1770525), (15, 1416420), (18, 1180350), (20, 1062315), (25, 849852), (27, 786900), (30, 708210), (36, 590175), (43, 494100), (45, 472140), (50, 424926), (54, 393450), (60, 354105), (61, 348300), (75, 283284), (81, 262300), (86, 247050), (90, 236070), (100, 212463), (108, 196725), (122, 174150), (129, 164700), (135, 157380), (150, 141642), (162, 131150), (172, 123525), (180, 118035), (183, 116100), (215, 98820), (225, 94428), (244, 87075), (258, 82350), (270, 78690), (300, 70821), (305, 69660), (324, 65575), (366, 58050), (387, 54900), (405, 52460), (430, 49410), (450, 47214), (516, 41175), (540, 39345), (549, 38700), (610, 34830), (645, 32940), (675, 31476), (732, 29025), (774, 27450), (810, 26230), (860, 24705), (900, 23607), (915, 23220), (1075, 19764), (1098, 19350), (1161, 18300), (1220, 17415), (1290, 16470), (1350, 15738), (1525, 13932), (1548, 13725), (1620, 13115), (1647, 12900), (1830, 11610), (1935, 10980), (2025, 10492), (2150, 9882), (2196, 9675), (2322, 9150), (2580, 8235), (2623, 8100), (2700, 7869), (2745, 7740), (3050, 6966), (3225, 6588), (3294, 6450), (3483, 6100), (3660, 5805), (3870, 5490), (4050, 5246), (4300, 4941), (4575, 4644)]