21616253735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1\times {\mathrm{5171}}^1$

素因数の和:5831

約数の個数: 32

約数和(自身を含む): 27705369600

約数和(自身を除く): 6089115865

約数列:

[1, 5, 19, 79, 95, 395, 557, 1501, 2785, 5171, 7505, 10583, 25855, 44003, 52915, 98249, 220015, 408509, 491245, 836057, 2042545, 2880247, 4180285, 7761671, 14401235, 38808355, 54724693, 227539513, 273623465, 1137697565, 4323250747, 21616253735]

約数ペア:

[(1, 21616253735), (5, 4323250747), (19, 1137697565), (79, 273623465), (95, 227539513), (395, 54724693), (557, 38808355), (1501, 14401235), (2785, 7761671), (5171, 4180285), (7505, 2880247), (10583, 2042545), (25855, 836057), (44003, 491245), (52915, 408509), (98249, 220015)]