21363720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{877}}^1$

素因数の和:927

約数の個数: 128

約数和(自身を含む): 75859200

約数和(自身を除く): 54495480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 877, 1015, 1160, 1218, 1624, 1740, 1754, 2030, 2436, 2631, 3045, 3480, 3508, 4060, 4385, 4872, 5262, 6090, 6139, 7016, 8120, 8770, 10524, 12180, 12278, 13155, 17540, 18417, 21048, 24360, 24556, 25433, 26310, 30695, 35080, 36834, 49112, 50866, 52620, 61390, 73668, 76299, 92085, 101732, 105240, 122780, 127165, 147336, 152598, 178031, 184170, 203464, 245560, 254330, 305196, 356062, 368340, 381495, 508660, 534093, 610392, 712124, 736680, 762990, 890155, 1017320, 1068186, 1424248, 1525980, 1780310, 2136372, 2670465, 3051960, 3560620, 4272744, 5340930, 7121240, 10681860, 21363720]

約数ペア:

[(1, 21363720), (2, 10681860), (3, 7121240), (4, 5340930), (5, 4272744), (6, 3560620), (7, 3051960), (8, 2670465), (10, 2136372), (12, 1780310), (14, 1525980), (15, 1424248), (20, 1068186), (21, 1017320), (24, 890155), (28, 762990), (29, 736680), (30, 712124), (35, 610392), (40, 534093), (42, 508660), (56, 381495), (58, 368340), (60, 356062), (70, 305196), (84, 254330), (87, 245560), (105, 203464), (116, 184170), (120, 178031), (140, 152598), (145, 147336), (168, 127165), (174, 122780), (203, 105240), (210, 101732), (232, 92085), (280, 76299), (290, 73668), (348, 61390), (406, 52620), (420, 50866), (435, 49112), (580, 36834), (609, 35080), (696, 30695), (812, 26310), (840, 25433), (870, 24556), (877, 24360), (1015, 21048), (1160, 18417), (1218, 17540), (1624, 13155), (1740, 12278), (1754, 12180), (2030, 10524), (2436, 8770), (2631, 8120), (3045, 7016), (3480, 6139), (3508, 6090), (4060, 5262), (4385, 4872)]