21262127042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{2657}}^1$

素因数の和:2955

約数の個数: 64

約数和(自身を含む): 36759502080

約数和(自身を除く): 15497375038

約数列:

[1, 2, 13, 19, 26, 38, 97, 167, 194, 247, 334, 494, 1261, 1843, 2171, 2522, 2657, 3173, 3686, 4342, 5314, 6346, 16199, 23959, 32398, 34541, 41249, 47918, 50483, 69082, 82498, 100966, 210587, 257729, 307781, 421174, 443719, 515458, 615562, 656279, 887438, 1312558, 3350477, 4001153, 4896851, 5768347, 6700954, 8002306, 8430661, 9793702, 11536694, 16861322, 43040743, 63659063, 86081486, 109598593, 127318126, 219197186, 559529659, 817774117, 1119059318, 1635548234, 10631063521, 21262127042]

約数ペア:

[(1, 21262127042), (2, 10631063521), (13, 1635548234), (19, 1119059318), (26, 817774117), (38, 559529659), (97, 219197186), (167, 127318126), (194, 109598593), (247, 86081486), (334, 63659063), (494, 43040743), (1261, 16861322), (1843, 11536694), (2171, 9793702), (2522, 8430661), (2657, 8002306), (3173, 6700954), (3686, 5768347), (4342, 4896851), (5314, 4001153), (6346, 3350477), (16199, 1312558), (23959, 887438), (32398, 656279), (34541, 615562), (41249, 515458), (47918, 443719), (50483, 421174), (69082, 307781), (82498, 257729), (100966, 210587)]