21490190982

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1\times {\mathrm{1523}}^1$

素因数の和:2874

約数の個数: 96

約数和(自身を含む): 51284233728

約数和(自身を除く): 29794042746

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1283, 1523, 1833, 2566, 3046, 3666, 3849, 4569, 5499, 7698, 9138, 10998, 11547, 13707, 16679, 19799, 23094, 27414, 33358, 39598, 50037, 59397, 60301, 71581, 100074, 118794, 120602, 143162, 150111, 178191, 180903, 214743, 300222, 356382, 361806, 429486, 542709, 644229, 783913, 930553, 1085418, 1288458, 1567826, 1861106, 1954009, 2351739, 2791659, 3908018, 4703478, 5583318, 5862027, 7055217, 8374977, 11724054, 14110434, 16749954, 17586081, 25402117, 35172162, 50804234, 76206351, 91838423, 152412702, 183676846, 228619053, 275515269, 457238106, 551030538, 826545807, 1193899499, 1653091614, 2387798998, 3581698497, 7163396994, 10745095491, 21490190982]

約数ペア:

[(1, 21490190982), (2, 10745095491), (3, 7163396994), (6, 3581698497), (9, 2387798998), (13, 1653091614), (18, 1193899499), (26, 826545807), (39, 551030538), (47, 457238106), (78, 275515269), (94, 228619053), (117, 183676846), (141, 152412702), (234, 91838423), (282, 76206351), (423, 50804234), (611, 35172162), (846, 25402117), (1222, 17586081), (1283, 16749954), (1523, 14110434), (1833, 11724054), (2566, 8374977), (3046, 7055217), (3666, 5862027), (3849, 5583318), (4569, 4703478), (5499, 3908018), (7698, 2791659), (9138, 2351739), (10998, 1954009), (11547, 1861106), (13707, 1567826), (16679, 1288458), (19799, 1085418), (23094, 930553), (27414, 783913), (33358, 644229), (39598, 542709), (50037, 429486), (59397, 361806), (60301, 356382), (71581, 300222), (100074, 214743), (118794, 180903), (120602, 178191), (143162, 150111)]