21492619980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{42197}}^1$

素因数の和:42875

約数の個数: 96

約数和(自身を含む): 64909301184

約数和(自身を除く): 43416681204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 653, 780, 1306, 1959, 2612, 3265, 3918, 6530, 7836, 8489, 9795, 13060, 16978, 19590, 25467, 33956, 39180, 42197, 42445, 50934, 84394, 84890, 101868, 126591, 127335, 168788, 169780, 210985, 253182, 254670, 421970, 506364, 509340, 548561, 632955, 843940, 1097122, 1265910, 1645683, 2194244, 2531820, 2742805, 3291366, 5485610, 6582732, 8228415, 10971220, 16456830, 27554641, 32913660, 55109282, 82663923, 110218564, 137773205, 165327846, 275546410, 330655692, 358210333, 413319615, 551092820, 716420666, 826639230, 1074630999, 1432841332, 1653278460, 1791051665, 2149261998, 3582103330, 4298523996, 5373154995, 7164206660, 10746309990, 21492619980]

約数ペア:

[(1, 21492619980), (2, 10746309990), (3, 7164206660), (4, 5373154995), (5, 4298523996), (6, 3582103330), (10, 2149261998), (12, 1791051665), (13, 1653278460), (15, 1432841332), (20, 1074630999), (26, 826639230), (30, 716420666), (39, 551092820), (52, 413319615), (60, 358210333), (65, 330655692), (78, 275546410), (130, 165327846), (156, 137773205), (195, 110218564), (260, 82663923), (390, 55109282), (653, 32913660), (780, 27554641), (1306, 16456830), (1959, 10971220), (2612, 8228415), (3265, 6582732), (3918, 5485610), (6530, 3291366), (7836, 2742805), (8489, 2531820), (9795, 2194244), (13060, 1645683), (16978, 1265910), (19590, 1097122), (25467, 843940), (33956, 632955), (39180, 548561), (42197, 509340), (42445, 506364), (50934, 421970), (84394, 254670), (84890, 253182), (101868, 210985), (126591, 169780), (127335, 168788)]