21502260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1055

約数の個数: 120

約数和(自身を含む): 72713256

約数和(自身を除く): 51210996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1021, 1053, 1170, 1404, 1620, 1755, 2042, 2106, 2340, 3063, 3510, 4084, 4212, 5105, 5265, 6126, 7020, 9189, 10210, 10530, 12252, 13273, 15315, 18378, 20420, 21060, 26546, 27567, 30630, 36756, 39819, 45945, 53092, 55134, 61260, 66365, 79638, 82701, 91890, 110268, 119457, 132730, 137835, 159276, 165402, 183780, 199095, 238914, 265460, 275670, 330804, 358371, 398190, 413505, 477828, 551340, 597285, 716742, 796380, 827010, 1075113, 1194570, 1433484, 1654020, 1791855, 2150226, 2389140, 3583710, 4300452, 5375565, 7167420, 10751130, 21502260]

約数ペア:

[(1, 21502260), (2, 10751130), (3, 7167420), (4, 5375565), (5, 4300452), (6, 3583710), (9, 2389140), (10, 2150226), (12, 1791855), (13, 1654020), (15, 1433484), (18, 1194570), (20, 1075113), (26, 827010), (27, 796380), (30, 716742), (36, 597285), (39, 551340), (45, 477828), (52, 413505), (54, 398190), (60, 358371), (65, 330804), (78, 275670), (81, 265460), (90, 238914), (108, 199095), (117, 183780), (130, 165402), (135, 159276), (156, 137835), (162, 132730), (180, 119457), (195, 110268), (234, 91890), (260, 82701), (270, 79638), (324, 66365), (351, 61260), (390, 55134), (405, 53092), (468, 45945), (540, 39819), (585, 36756), (702, 30630), (780, 27567), (810, 26546), (1021, 21060), (1053, 20420), (1170, 18378), (1404, 15315), (1620, 13273), (1755, 12252), (2042, 10530), (2106, 10210), (2340, 9189), (3063, 7020), (3510, 6126), (4084, 5265), (4212, 5105)]