21658050

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 60888960

約数和(自身を除く): 39230910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 61, 75, 90, 122, 135, 150, 183, 225, 263, 270, 305, 366, 450, 526, 549, 610, 675, 789, 915, 1098, 1315, 1350, 1525, 1578, 1647, 1830, 2367, 2630, 2745, 3050, 3294, 3945, 4575, 4734, 5490, 6575, 7101, 7890, 8235, 9150, 11835, 13150, 13725, 14202, 16043, 16470, 19725, 23670, 27450, 32086, 35505, 39450, 41175, 48129, 59175, 71010, 80215, 82350, 96258, 118350, 144387, 160430, 177525, 240645, 288774, 355050, 401075, 433161, 481290, 721935, 802150, 866322, 1203225, 1443870, 2165805, 2406450, 3609675, 4331610, 7219350, 10829025, 21658050]

約数ペア:

[(1, 21658050), (2, 10829025), (3, 7219350), (5, 4331610), (6, 3609675), (9, 2406450), (10, 2165805), (15, 1443870), (18, 1203225), (25, 866322), (27, 802150), (30, 721935), (45, 481290), (50, 433161), (54, 401075), (61, 355050), (75, 288774), (90, 240645), (122, 177525), (135, 160430), (150, 144387), (183, 118350), (225, 96258), (263, 82350), (270, 80215), (305, 71010), (366, 59175), (450, 48129), (526, 41175), (549, 39450), (610, 35505), (675, 32086), (789, 27450), (915, 23670), (1098, 19725), (1315, 16470), (1350, 16043), (1525, 14202), (1578, 13725), (1647, 13150), (1830, 11835), (2367, 9150), (2630, 8235), (2745, 7890), (3050, 7101), (3294, 6575), (3945, 5490), (4575, 4734)]