21908196

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 58216704

約数和(自身を除く): 36308508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 67, 93, 124, 134, 186, 201, 268, 279, 293, 372, 402, 558, 586, 603, 804, 879, 1116, 1172, 1206, 1758, 2077, 2412, 2637, 3516, 4154, 5274, 6231, 8308, 9083, 10548, 12462, 18166, 18693, 19631, 24924, 27249, 36332, 37386, 39262, 54498, 58893, 74772, 78524, 81747, 108996, 117786, 163494, 176679, 235572, 326988, 353358, 608561, 706716, 1217122, 1825683, 2434244, 3651366, 5477049, 7302732, 10954098, 21908196]

約数ペア:

[(1, 21908196), (2, 10954098), (3, 7302732), (4, 5477049), (6, 3651366), (9, 2434244), (12, 1825683), (18, 1217122), (31, 706716), (36, 608561), (62, 353358), (67, 326988), (93, 235572), (124, 176679), (134, 163494), (186, 117786), (201, 108996), (268, 81747), (279, 78524), (293, 74772), (372, 58893), (402, 54498), (558, 39262), (586, 37386), (603, 36332), (804, 27249), (879, 24924), (1116, 19631), (1172, 18693), (1206, 18166), (1758, 12462), (2077, 10548), (2412, 9083), (2637, 8308), (3516, 6231), (4154, 5274)]