21938713020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{561667}}^1$

素因数の和:561720

約数の個数: 144

約数和(自身を含む): 78507706368

約数和(自身を除く): 56568993348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 19530, 39060, 561667, 1123334, 1685001, 2246668, 2808335, 3370002, 3931669, 5055003, 5616670, 6740004, 7863338, 8425005, 10110006, 11233340, 11795007, 15726676, 16850010, 17411677, 19658345, 20220012, 23590014, 25275015, 33700020, 34823354, 35385021, 39316690, 47180028, 50550030, 52235031, 58975035, 69646708, 70770042, 78633380, 87058385, 101100060, 104470062, 117950070, 121881739, 141540084, 156705093, 174116770, 176925105, 208940124, 235900140, 243763478, 261175155, 313410186, 348233540, 353850210, 365645217, 487526956, 522350310, 609408695, 626820372, 707700420, 731290434, 783525465, 1044700620, 1096935651, 1218817390, 1462580868, 1567050930, 1828226085, 2193871302, 2437634780, 3134101860, 3656452170, 4387742604, 5484678255, 7312904340, 10969356510, 21938713020]

約数ペア:

[(1, 21938713020), (2, 10969356510), (3, 7312904340), (4, 5484678255), (5, 4387742604), (6, 3656452170), (7, 3134101860), (9, 2437634780), (10, 2193871302), (12, 1828226085), (14, 1567050930), (15, 1462580868), (18, 1218817390), (20, 1096935651), (21, 1044700620), (28, 783525465), (30, 731290434), (31, 707700420), (35, 626820372), (36, 609408695), (42, 522350310), (45, 487526956), (60, 365645217), (62, 353850210), (63, 348233540), (70, 313410186), (84, 261175155), (90, 243763478), (93, 235900140), (105, 208940124), (124, 176925105), (126, 174116770), (140, 156705093), (155, 141540084), (180, 121881739), (186, 117950070), (210, 104470062), (217, 101100060), (252, 87058385), (279, 78633380), (310, 70770042), (315, 69646708), (372, 58975035), (420, 52235031), (434, 50550030), (465, 47180028), (558, 39316690), (620, 35385021), (630, 34823354), (651, 33700020), (868, 25275015), (930, 23590014), (1085, 20220012), (1116, 19658345), (1260, 17411677), (1302, 16850010), (1395, 15726676), (1860, 11795007), (1953, 11233340), (2170, 10110006), (2604, 8425005), (2790, 7863338), (3255, 6740004), (3906, 5616670), (4340, 5055003), (5580, 3931669), (6510, 3370002), (7812, 2808335), (9765, 2246668), (13020, 1685001), (19530, 1123334), (39060, 561667)]